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Table 1 The cleavage and blastocyst rates on day 2 and day 7 after IVF with the dimension of follicle from 3.0 to 8.0 mm (mean ± S. E. M.)

From: Natriuretic peptides improve the developmental competence of in vitro cultured porcine oocytes

Follicle diameter (mm)

oocytes(n)

cleaved oocytes (%)

blastocysts (%)

3.0–4.0

215

11.2 ± 2.7a

3.6 ± 1.67 a

4.1–5.0

201

37.5 ± 2.3 b

10.1 ± 1.8 b

5.1–6.0

235

41.64 ± 1.6 b

13.3 ± 2.9 c

6.1–8.0

206

30.9 ± 2.2 c

8.3 ± 2.5d

  1. abcdMeans in the same column with different superscripts were significantly different (p < 0.05)